The ATC DIVERSIFIED ELECTRONICS part 339B-200-Q-2-X is a dynamic Plug-In Adjustable TDR (Time Delay Relay) designed to provide precise and customizable time delay functionality. This versatile device offers convenient plug-in installation and allows users to easily adjust the time delay range and other parameters to suit their specific application requirements. With its reliable performance and flexibility, the ATC DIVERSIFIED ELECTRONICS part 339B-200-Q-2-X is an ideal choice for users looking for a high-quality and efficient solution for their timing applications.